Simpess Share definition Flag the female equivalent of a simp. she overvalues men who treat her horribly. Brittney is a simpess, her boyfriend has cheated on her 3 times now and she's still with him. Simpess by skzhskshsksknz March 12, 2020 0 0 Get merch Get the Simpess mug. Buy Now — $32.95 See more merch